Korg OT-120 Orchestral Tuner

Chromatic Orchestral Tuner with 8-octave Range, VU-style Meter, Multiple Temperaments, and Auto Mode
Korg OT-120 Orchestral Tuner image 1
Korg OT-120 Orchestral Tuner image 1
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Korg OT-120 Orchestral Tuner
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Chromatic Tuner Built Especially for the Orchestral/Band Musician

The Korg OT-120 chromatic meter-type tuner specifically addresses the needs of the orchestral musician. The OT-120 also includes those "nice touches" born of actual experience in the orchestra pit with features such as a durable, soft case with belt clip to you put your tuner where it will be easily accessible, instead of sitting in your case or on the floor. TH OT-120 also includes a tilt-back stand. Built-in. The angle is ideally suited for playing while standing so the tune is visible. The Korg OT-120 also incorporates a louder speaker in its space-saving new design that makes it easy to hear and hold, while providing better viewing angles. Another component of the OT-120's new casing is a sleek aluminum panel, offering great looks and more durability for years of reliable travel and use. One last important physical feature before we discuss the functional side of the OT-120, is the placement of the input and output jacks on opposite sides of the OT-120 fir better balance on desktop, amp, instrument case, music stand etc.

As far as pitch detection and multiple tunings are concerned, the Korg OT-120 has a full 8 octave (A0 - C8) detection range that supports band and orchestra instruments, plus it also offers multiple temperaments for classical and ethnic instruments. Another great feature is its Sound Back (Patented: Patent pending) mode, which plays a reference pitch for the note that's closest to the input pitch. The meter indicates the discrepancy between the input and the correct pitch - great for training the ear to recognize pitch. With even more musically useful and orchestral-musician-friendly features, you have the ultimate affordable tuner for the orchestral/band musician in the Korg OT-120

Korg OT-120 Features:
  • Scales: 12 equal tempered, Pythagorean, Mean tone E flat/D sharp, Werckmeister III, Kirnberger III, Kellner, Vallotti, Young
  • Chromatic tuner with a wide 8-octave (A0 - C8) detection range that supports band and orchestra instruments - great for pianos or any other instrument that requires a large detection range
  • Dual display provides both a needle-type meter and an LCD for excellent visibility.
  • Sound Back (Patented: Patent pending) mode plays a reference pitch for the note that's closest to the input pitch. The meter indicates the discrepancy between the input and the correct pitch.
  • Multiple Temperaments support historical tunings.
  • Transpose mode is convenient for wind instruments.
  • Choose from three levels of needle response speed (slow, medium and fast).
  • Both auto and manual tuning modes are provided.
  • Built-in reference tone plays in a five octave range.
  • Broad range of calibration (349 Hz--499 Hz) based on a standard pitch of A=440
  • Built-in mic supports acoustic instruments.
  • Perfect
  • Multiple temperaments for classical and ethnic instruments
  • Wish you could tune your xylophone to Kirnberger III? Now you can plus 7 other temperaments.
  • Slow, Medium and Fast needle movement, ideal for tuning multiple instruments with different attacks.
  • 5-octave reference tone lets you play back pitches over a 5 octave range for tuning, or practicing pitch correction with vocals or wind instruments
  • Tuning accuracy within +/- 1 cent: Only extremely expensive strobe tuners are slightly more accurate than this!
  • VU style meter
  • Energy-saving design for long battery life (approximately 100 hours)
  • Durable soft case included
With the Korg OT-120 you have the ultimate affordable chromatic tuner for the orchestral/band musician.

Additional Media

New In Stock At Sweetwater

Tech Specs

Type Chromatic
Format Portable
Display Type LED/VU
Reference Pitch A4 = 349Hz-499Hz
Tuning Range A0 to C8
Inputs 1 x 1/4"
Outputs 1 x 1/4"
Power Supply Included No
Batteries 2 x AAA
Height 1.42"
Depth 4.71"
Width 2.91"
Weight 0.43 lbs.
Manufacturer Part Number OT120

Customer Reviews

Based on 9 reviews
Write your review

Korg Chromatic Tuner

I needed a compact tuner to use for all sorts of different instruments & the OT-120 fir the bill well
Music background: Pro

Korg ot-20 tuner

Very pleased with the Korg tuner. It is more than I expected

Korg OT-120

Great piece of equipment. It is solid. I have dropped it several times with no damage. This is my 2nd one. I bought it because the leds that illuminate the dial were dim, that after using it since the OT 120 came out. That has to be 10 or so years, This tuner detects sound from my bass' low C (32 Hz) to as far up as the violin goes. (I have no idea). Has many transpositions and temperaments, and other many features that I use less. The only thing I don't like is not really a problem. It gets confused with my bass sound with ambient noise in the orchestra. I connect it to my pickup.
Music background: semi pro, ardent amature bassist. Principal in the Blue Ridge Orchestra Asheville NC

Best Tuner I've Used By Far

I have tuned quite a few pianos in the past. The Korg OT-120 has been the best chromatic tuner this far that I have encountered. I love the big screen and the accuracy it shows. Variation with calibrations and note tones is a plus, too. Will definitely recommend! Thanks Sweetwater
Music background: Worship Leader, Pianist, Choir Director, Tuner

Korg OT-120 Tuner

As a sax player, I'm often skeptical of the various tuners I see on the market today. I've had my eye on this tuner for a while. When I saw of its price reduction, I jumped at the chance to own one. Where else but from Sweetwater where the service is always first class and customer care is beyond believable. It has been a great decision to purchase this tuner and I'm very happy. Thanks Korg and Sweetwater!
Music background: Professional Woodwind artist, educator, and clinician
See also: Tuners, Korg, Korg Guitar Tuners